Serviceline Information

A Level Higher: Inductive Sensors of the 2nd Generation
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  • 3 mm flush in ST37 / 1.0037
  • Usable up to SIL 3 acc. to IEC 61508

Datasheet as PDF in following languages:


Technical Data: NJ3-18GK-S1N

General specifications
Switching element functionNAMUR, NO
Rated operating distance3 mm
Installationflush in mild steel
Output polaritySafety Function
Assured operating distance0 ... 2.4 mm
Reduction factor rAl 1
Reduction factor rCu 1
Reduction factor r304 0
Safety Integrity Level (SIL)up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the "exida Functional Safety Assessment" document which is available on www.pepperl-fuchs.com as an integral part of this product's documentation.
Nominal ratings
Nominal voltage8 V DC
Switching frequency0 ... 200 Hz
Hysteresistyp. 0.1 %
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected≤ 1 mA
Measuring plate detected≥ 3 mA
Functional safety related parameters
MTTFd7660 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
FM approval
Control drawing116-0165F
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection typecable silicon , 2 m
Core cross-section0.75 mm2
Housing materialHostalen PPN, black
Sensing faceHostalen PPN, black
Housing diameter18 mm
Protection degreeIP68
Noteonly for non-ferrous metal
General information
Use in the hazardous areasee instruction manuals
Category1G; 2G; 3G; 1D

Documents: NJ3-18GK-S1N

Instructions, Short instructions, Safety informationLanguageFile TypeFile Size
NJ3-18GK-S1NCZEPDF398 KB
Instructions NJ3-18GK-S1NENGPDF326 KB
Notice d'instruction NJ3-18GK-S1NFRAPDF331 KB
Betriebsanleitung NJ3-18GK-S1NGERPDF330 KB
Istruzioni per l'uso NJ3-18GK-S1NITAPDF334 KB
NJ3-18GK-S1NPOLPDF386 KB
NJ3-18GK-S1NPORPDF308 KB
NJ3-18GK-S1NRUSPDF322 KB
Instrucciones NJ3-18GK-S1NSPAPDF333 KB
NJ3-18GK-S1NSWEPDF331 KB
Technical information
Installation conditionsENGPDF191 KB
EinbaubedingungenGERPDF194 KB

CAD+CAE: NJ3-18GK-S1N

CADFile TypeFile Size
3D Modell/3D modelIGS72 KB
3D Modell/3D modelSTP55 KB

Approvals+Certificates: NJ3-18GK-S1N

CertificatesCertificate No.File TypeFile Size
EU PTB ATEX ia 2G, 1G s. certificate   PDF2457 KB
EU ZELM ATEX iaD 1DZELM 03 ATEX 0128 XPDF1638 KB
exida Functional Safety AssessmentP+F 03/11-10 R015PDF302 KB
US CA UL General PurposeE87056LINK---
Europe Pepperl+Fuchs 94/9/EC - 2004/108/EC Declaration of ConformityPF 08 CERT 1263PDF370 KB
US CA CSA1007121 (LR96321-2)PDF101 KB
Control drawings
Control Drawing FM/Control Drawing FM   PDF84 KB

Associated Products: NJ3-18GK-S1N

AccessoriesName
BF 18Mounting flange